palestinian officials in the west bank city of ramallah opened arafat's tomb. they took the tissue samples, then buried the remains again. researchers from a swiss laboratory will conduct a detailed examination of the samples. it will take them several months to release results. arafat died in 2004 in paris. a documentary by the tv network al jazeera prompted investigators to reopen his case. it said traces of highly toxic radioactive material had been detected on his clothing and other perm belongings. some palestinians believe israel assassinated the late leader. israeli officials deny the claim. >>> analysts at an american satellite imagery firm are raising red flags about a new picture they've taken of north korea. they say the recent photo of a recent facility shows increased activity, and they warn north korean authorities could be preparing for another launch similar to the one that happened last april. digitalglobe released the image of the facility in tongchang-ri in the country's northwest. photo was taken on november 23rd. it shows a new tent, trucks